文件下载

lxw

2022-07-22 168bb545efbd23fd3ee53520e4651529d9b4975f

文件下载

 src/main/java/com/whyc/controller/ProductBomController.java

@@ -8,6 +8,9 @@
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.web.bind.annotation.*;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

@Api(tags = "图纸管理")
@RestController
@RequestMapping("productBom")
@@ -17,8 +20,14 @@

    @ApiOperation("图纸查询分类检索")
    @PostMapping("searchCadDrawer")
    private Response searchCadDrawer(@RequestBody ProductBom productBom, @RequestParam int pageCurr, @RequestParam int pageSize){
    public Response searchCadDrawer(@RequestBody ProductBom productBom, @RequestParam int pageCurr, @RequestParam int pageSize){
        return service.searchCadDrawer(productBom,pageCurr,pageSize);
    }

    @ApiOperation("图纸文件下载")
    @GetMapping("downloadCadDrawer")
    public void downloadCadDrawer(HttpServletRequest req, HttpServletResponse resp){
         service.downloadCadDrawer(req,resp);
    }

}

 src/main/java/com/whyc/service/FtpService.java

@@ -29,11 +29,13 @@
            ZipUtils.toZip(rootFace, forootFace,true);
            File filerootFace = new File(rootFace+".zip");
            ftp.uploadFile(filerootFace, timeStr+"/face.zip");
            filerootFace.delete();

            FileOutputStream forootDoc = new FileOutputStream(new File(rootDoc+".zip"));
            ZipUtils.toZip(rootDoc, forootDoc,true);
            File filerootDoc = new File(rootDoc+".zip");
            ftp.uploadFile(filerootDoc, timeStr+"/doc_file.zip");
            filerootDoc.delete();
        } catch (Exception e) {
            e.printStackTrace();
        }

 src/main/java/com/whyc/service/ProductBomService.java

@@ -2,12 +2,19 @@

import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.whyc.dto.FileDirPath;
import com.whyc.dto.Response;
import com.whyc.dto.ZipUtils;
import com.whyc.mapper.ProductBomMapper;
import com.whyc.pojo.ProductBom;
import com.whyc.util.ActionUtil;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import java.io.*;
import java.util.Date;
import java.util.List;

@Service
@@ -22,4 +29,33 @@
        PageInfo pageInfo=new PageInfo(list);
        return  new Response().setII(1,list.size()>0?true:false,pageInfo,"数据返回");
    }
    //图纸文件下载
    public void downloadCadDrawer(HttpServletRequest req, HttpServletResponse resp) {
        String fileDirName = FileDirPath.getFileDirName();
        String rootFace=fileDirName+ File.separator+"face";
        String timeStr= ActionUtil.sdfwithFTP.format(new Date());
        try {
            File file=new File(rootFace+".zip");
            FileOutputStream forootFace = new FileOutputStream(file);
            ZipUtils.toZip(rootFace, forootFace,true);
            // 转码防止乱码
            resp.addHeader("Content-Disposition", "attachment;filename="
                    + new String(timeStr.getBytes("UTF-8"), "ISO8859-1")
                    + ".zip");
            OutputStream out = resp.getOutputStream();
            FileInputStream in = new FileInputStream(rootFace+".zip");
            int len=0;
            byte[] buffer =new byte[1024];
            //7. 将缓冲区中的数据输出
            while ((len=in.read(buffer))>0){
                out.write(buffer,0,len);
            }
            in.close();
            out.close();
        } catch (FileNotFoundException | UnsupportedEncodingException e) {
            e.printStackTrace();
        } catch (IOException e) {
            e.printStackTrace();
        }
    }
}